This a "Paint" program for iOS based on this tutorial (raywenderlich.com is a nice resource).
Clicking the Pencil icon allows the user to draw, and clicking the Eraser icon allows the user to erase existing lines.
In addition, there are several options on the top of the screen
- The Reset button clears everything on the screen
- The Save button saves what's on the screen to the your photos (camera roll)
- The Settings button presents the user with options to change the size, transparency, and color of the brush.